pH, EC & TDS
Showing 1–16 of 94 results
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Aqua Master P700 Pro 2 Combo Meter (AMT1020.2)
SALE 28% OFF! $197.46 Add to cart -
Active Air 3-Way Meter (MGMLP1)
SALE 47% OFF! $7.00 Add to cart -
GH pH Down Liquid Quart (12/Case) (Not for sale in GU VI) (722120)
SALE 47% OFF! $100.00 Add to cart -
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester (HMDCOM80)
SALE 30% OFF! $30.05 Add to cart -
HM Digital pH 4.0 buffer solution – 20 packets of 20 ml (HM-PH-P4)
SALE 25% OFF! $18.60 Add to cart -
HM Digital PH-STOR pH Electrode Storage Solution (HMOPSTOR)
SALE 29% OFF! $6.00 Add to cart -
Aqua Master E300 Pro Substrate EC/Temp (AMT1035)
SALE 30% OFF! $105.18 Add to cart -
House & Garden pH Osmosis Stabilizer, 60 L (HGPHOS60L)
SALE 92% OFF! $76.00 Add to cart -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen (AI21040)
SALE 36% OFF! $113.83 Add to cart -
HM Digital Replacement TDS/EC sensor for HM-500 (HM-SP-C5)
SALE 23% OFF! $34.68 Add to cart -
HM Digital TDS-3 Handheld TDS meter (HMDTDS3)
SALE 47% OFF! $18.00 Add to cart -
GroStar pH calibration kit (pH 4/7, 8 oz. each) (AI61113)
SALE 32% OFF! $13.00 Add to cart -
Aqua Master P110 Pro Combo Pen (AMT1013)
SALE 34% OFF! $69.48 Add to cart -
GH pH Down 8 oz (12/Case) (Not for sale in GU VI) (722115)
SALE 43% OFF! $72.00 Add to cart -
Aqua Master E300 Pro EC Electrode (AMT1036)
SALE 31% OFF! $55.32 Add to cart -
HM Digital Replacement pH Sensor Probe for HM-500 (HMDSPP5)
SALE 35% OFF! $39.00 Add to cart
Showing 1–16 of 94 results